浮置式轨道在实测轮轨力作用下的动力响应

The Dynamic Response of Floating-style Track Structure under the Wheel/rail Forces

针对现有的三种浮置式轨道结构建立三维有限元模型,通过大型有限元软件ANSYS对三者施加一试验中实测的轮轨力数据,分别得到三种浮置式轨道结构的动态响应,而后再做以比较,定性的得到三种浮置式轨道结构的减振降噪效果以及各自固有频率的范围,从而提出在实际工程应用中不同工况条件下浮置式轨道结构合理的选型、应用以及搭配方案,并为浮置式轨道的其他动力特性的分析提供了一个关键的动态理论参数.

According to the existing three forms floating-style track structure,3-d finite element models was set up,to get the dynamic response through a real wheel/rail force test.Based on this analysis method,the main parameters of reducing vibration noise reduction of Floating-style track structure were chosen through the large finite element software ANSYS to simulate analysis in order to compare with each other qualitatively.A reasonable selection under different working conditions was put forward,And finally,a critical dynamic theory parameter was provided for the other dynamic characteristics of floating-style track structure.